1265011 has 4 divisors (see below), whose sum is σ = 1380024. Its totient is φ = 1150000.

The previous prime is 1264997. The next prime is 1265029. The reversal of 1265011 is 1105621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1105621 = 11 ⋅100511.

It is a cyclic number.

It is not a de Polignac number, because 1265011 - 2⁵ = 1264979 is a prime.

It is an Ulam number.

It is a Duffinian number.

1265011 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1265041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57490 + ... + 57511.

It is an arithmetic number, because the mean of its divisors is an integer number (345006).

2^1265011 is an apocalyptic number.

1265011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1265011 is a deficient number, since it is larger than the sum of its proper divisors (115013).

1265011 is a wasteful number, since it uses less digits than its factorization.

1265011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115012.

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 1265011 is about 1124.7270780060. The cubic root of 1265011 is about 108.1512227710.

The spelling of 1265011 in words is "one million, two hundred sixty-five thousand, eleven".